“Few are altogether deaf to the preaching of pine trees. Their sermons on the mountains go to our hearts; and if people in general could be got into the woods, even for once, to hear the trees speak for themselves, all difficulties in the way of forest preservation would vanish.”
– John Muir, “The National Parks and Forest Reservations,” Sierra Club Bulletin, v. 1, no. 7, January 1896, pp 271-284, at 282-83.